Why is it recommended that patients not apply moisturizer in the radiation field immediately prior to daily treatment?

Is there any evidence to support the theory that this may cause worse skin reaction?

Answer from: Radiation Oncologist at Community Practice

The received wisdom of Radiation Oncology that patients should not apply topical agents before radiation treatment was promulgated out of concern that said topical agents would act as "bolus" of sorts, and increase the radiation dose to the skin in a way that would enhance radiation dermatitis. For ...

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Radiation Oncologist at University of Miami Miller School of Medicine
Thoughtful and well summarized response!

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Why is it recommended that patients not apply moisturizer in the radiation field immediately prior to daily treatment?

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